.THE NATION’S sporting attention shifts today to Andy Murray’s Wimbledon challenge, after Jenson Button yesterday failed in his bid to deliver a home-grown Silverstone victory in the British Grand Prix.

Murray certainly thinks he has the bottle to win Wimbledon this year, but he was served a warning by Roger Federer that he has his number on the big occasion, despite Murray’s 6-2 winning record over the Swiss.

Federer volleyed away Murray’s advantage, including victories in their last four meetings, saying: “When it came down to the crunch, the two times we played in finals – including September’s US Open – he played very well, but I was able to beat him.

“Prior to finals he’s always beaten me. I don’t want to take anything away from him, or give any excuses, but he played me at a time when I had back problems and glandular fever. So that made it hard for me to maybe call on my best performance level.

“He did play me the right way and was successful because he’s a great tactician, one of the players with the most feel out there. I like to watch him play, it’s always a great challenge against him.”

Federer, who lost last year’s final to Nadal in a five-set epic, meets Yen-Hsun Lu on Centre Court today. He feels Murray will do well on grass.

He said: “Andy’s going to be a great grass court player in the future. I’m not going to say he will win Wimbledon, but he has defi nitely got a good chance.

“He handled the pressure well last year and he has become such a good player.

“I don’t think it’s going to affect him a whole lot, and, if it affects him, it will be in a positive way.”